12528920

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{3041}}^1$

素因数の和:3155

約数の個数: 32

約数和(自身を含む): 28473120

約数和(自身を除く): 15944200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 3041, 4120, 6082, 12164, 15205, 24328, 30410, 60820, 121640, 313223, 626446, 1252892, 1566115, 2505784, 3132230, 6264460, 12528920]

約数ペア:

[(1, 12528920), (2, 6264460), (4, 3132230), (5, 2505784), (8, 1566115), (10, 1252892), (20, 626446), (40, 313223), (103, 121640), (206, 60820), (412, 30410), (515, 24328), (824, 15205), (1030, 12164), (2060, 6082), (3041, 4120)]